52444443 has 4 divisors (see below), whose sum is σ = 69925928. Its totient is φ = 34962960.

The previous prime is 52444423. The next prime is 52444459. The reversal of 52444443 is 34444425.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52444443 - 2⁵ = 52444411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52444443.

It is not an unprimeable number, because it can be changed into a prime (52444423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8740738 + ... + 8740743.

It is an arithmetic number, because the mean of its divisors is an integer number (17481482).

Almost surely, 2^52444443 is an apocalyptic number.

52444443 is a deficient number, since it is larger than the sum of its proper divisors (17481485).

52444443 is a wasteful number, since it uses less digits than its factorization.

52444443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17481484.

The product of its digits is 30720, while the sum is 30.

The square root of 52444443 is about 7241.8535610712. The cubic root of 52444443 is about 374.3114904303.

Adding to 52444443 its reverse (34444425), we get a palindrome (86888868).

The spelling of 52444443 in words is "fifty-two million, four hundred forty-four thousand, four hundred forty-three".